452402245 has 4 divisors (see below), whose sum is σ = 542882700. Its totient is φ = 361921792.

The previous prime is 452402239. The next prime is 452402257. The reversal of 452402245 is 542204254.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 347524164 + 104878081 = 18642^2 + 10241^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452402245 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45240220 + ... + 45240229.

It is an arithmetic number, because the mean of its divisors is an integer number (135720675).

Almost surely, 2^452402245 is an apocalyptic number.

It is an amenable number.

452402245 is a deficient number, since it is larger than the sum of its proper divisors (90480455).

452402245 is an equidigital number, since it uses as much as digits as its factorization.

452402245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90480454.

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 452402245 is about 21269.7495283795. The cubic root of 452402245 is about 767.6706153389.

Adding to 452402245 its reverse (542204254), we get a palindrome (994606499).

The spelling of 452402245 in words is "four hundred fifty-two million, four hundred two thousand, two hundred forty-five".